The causes and matters needing attention of the latest sweet potato turning over rattan

Sweet potato is a common crop in our life, nutritious and delicious, there are many varieties of sweet potato, sweet potato is a kind of vine crop of cutting propagation, the main stem can grow to more than 1 meter long, and the stem nodes are easy to grow adventitious roots. And these adventitious roots will grow a lot of small and small number of sweet potatoes, low quality, in the sweet potato field management, do you want to turn the vine to give many people a headache, so do the sweet potato want to turn the vine? Let's take a look.

First, do you want sweet potatoes to turn over vines?

When the sweet potato tuber expands, it is very necessary to turn the vine. By turning the vine, the aerial root in the sweet potato vine can be cut off from contact with the soil, which can reduce the sweet potato vine's nutrient absorption, prevent the vine from growing and compete with the tuber for nutrients. It can also concentrate nutrients in the root tuber, promote the absorption of nutrients by the root tuber, promote the expansion and growth of the root tuber, and increase yield obviously.

II. Matters needing attention in turning over the vine of sweet potato

1. It is necessary to turn the vine early.

It is appropriate to turn the vine within a month after the potato vine cuttings survive, because at this time the potato stem has not yet caked, the potato vine is in the peak stage of sprouting, and there is less damage to the stems and leaves when turning the vine. When ploughing vines, you should choose sunny afternoons or cloudy days, which can reduce water evaporation, and can be carried out at the same time as ploughing, weeding and topdressing, and under certain conditions, you can cover the potato soil with a layer of straw or weeds, which can not only prevent potato vines from "rooting", but also help to conserve water and resist drought.

2. Rattan ploughing should be moderate.

Turning vines must pay attention to a degree, it is not suitable to "turn over and over", it is appropriate to turn once, the temperature is higher in spring and autumn, the light is strong, it is the period of exuberant growth of potato vines, and it is also the period of root expansion. If this is caused by rattan damage, coupled with strong sunshine, overturned potato rattan stems and leaves are easy to be burned by the sun. On the other hand, if the vine is turned over in rainy days, it is very easy to cause vine wound decay, and then induce a variety of diseases and insect pests in sweet potatoes, which is not conducive to yield and quality.

The above is the introduction of the reasons and points for attention of sweet potato. I hope it can help you. If you want to know more about it, please follow us.